1. Óñêîðåíèå îáðàáîòêè øàáëîíîâ
Template-Toolkit
Èëè êýøèðîâàíèå ïîäøàáëîíîâ â TT
Âàëåðèé Ñòóäåííèêîâ,
despair@reg.ru
Èþíü 2010
YAPC 2010

2. Òÿæ¼ëûé ñàéò...

3. Òîðìîçèò...
Çàïðîñû îáðàáàòûâàþòñÿ ìåäëåííî...
Document Length: 121170 bytes
Concurrency Level: 1
...
Requests per second: 6.55 [#/sec] (mean)
Time per request: 152.677 [ms] (mean)

4. Ðàçáèðàåìñÿ â ïðè÷èíàõ...
[debug] Rendering template "index.html"
[info] Request took 0.155370s (6.436/s)
.--------------------------------------+-----------.
| Action | Time |
+--------------------------------------+-----------+
| -> /_DISPATCH | 0.138753s |
| -> /_BEGIN | 0.005263s |
| /begin | 0.004580s |
| -> /_AUTO | 0.000968s |
| /auto | 0.000270s |
| -> /_ACTION | 0.000883s |
| /index | 0.000363s |
| -> /_END | 0.129827s |
| /end | 0.129265s |
| -> FrontOffice::View::TT->process | 0.128254s |
'--------------------------------------+-----------'

5. Êàê äåòàëèçîâàòü ïî ïîäøàáëîíàì?
Íàì ïîìîæåò ñòàòüÿ ¾Proling in Template Toolkit
via overriding¿ by Randal L. Schwartz
package My::Template::Context; }
use base qw(Template::Context); }
$totals{$template}[5] ++; # count of calls
my @stack;
my %totals; unless (@stack) {
## top level again, time to display results
sub process { print STDERR -- $template at . localtime, :n
my $self = shift; printf STDERR %3s %3s %6s %6s %6s %6s %sn,
qw(cnt clk user sys cuser csys template);
my $template = $_[0]; for my $template (sort keys %totals) {
if (UNIVERSAL::isa($template, Template::Document)) { my @values = @{$totals{$template}};
$template = $template-name || $template; printf STDERR %3d %3d %6.2f %6.2f %6.2f %6.2f
} $values[5], @values[0..4], $template;
}
push @stack, [time, times]; print STDERR -- endn;
%totals = (); # clear out results
my @return = wantarray ? }
$self-SUPER::process(@_) :
scalar $self-SUPER::process(@_); # return value from process:
wantarray ? @return : $return[0];
my @delta_times = @{pop @stack}; }
@delta_times = map { $_ - shift @delta_times } time, times;
for (0..$#delta_times) { $Template::Config::CONTEXT = __PACKAGE__;
$totals{$template}[$_] += $delta_times[$_];
for my $parent (@stack) { 1;
$parent-[$_] += $delta_times[$_] if @stack; # parent adjust

6. Ïðîôàéëèíã ïîäøàáëîíîâ
-- index.html at Thu Jun 10 18:20:56 2010:
cnt clk user sys cuser csys template
1 0.0056 0.0000 0 0 0 common/footer_common.inc
1 0.0006 0.0000 0 0 0 common/header_topline.inc
1 0.0006 0.0000 0 0 0 footer.inc
1 0.0004 0.0000 0 0 0 footer_screen.inc
1 0.0010 0.0000 0 0 0 header.inc
1 0.0010 0.0000 0 0 0 header_screen.inc
1 0.0187 0.0200 0 0 0 header_screen_body_cached.inc
1 0.0005 0.0000 0 0 0 header_screen_head_cached.inc
1 0.0015 0.0000 0 0 0 index.html
1 0.0036 0.0000 0 0 0 index_body.inc
1 0.0145 0.0200 0 0 0 index_promo_bar.inc
1 0.0775 0.0800 0 0 0 print/zones.inc
1 0.0004 0.0000 0 0 0 tabs.inc

7. Ìîäóëü äëÿ êýøèðîâàíèÿ
use Template : : C o n t e x t : : C a c h e a b l e ;
Template : : C o n t e x t : : C a c h e a b l e : : c o n f i g u r e _ c a c h i n g (
SRS : : Cache : : Memcached : : get ,
SRS : : Cache : : Memcached : : put ,
);
$Template : : C o n t e x t : : C a c h e a b l e : : DEBUG = 1 ;

8. Êàê ýòî âûãëÿäèò â øàáëîíàõ
index.html:
[% PROCESS index_reg_bar.inc
lang = lang
pricegroup = pricegroup
__cache_time = -1
%]

9. Êàê ýòî âûãëÿäèò â øàáëîíàõ
header_screen.inc:
[%- PROCESS
header_screen_body_cached.inc
...
__nocache_banner_no = banner_no
__nocache_lang = lang
__nocache_wide_flag = wide_flag
__nocache_path_query = path_query
__nocache_user_id = user_id
__nocache_user_balance = user_balance
...
__nocache_req_method = c.req.method
__cache_time = user_messages.size() ? 0 : -1
-%]

10. Âðóáàåì êýøèðîâàíèå...
-- index.html at Thu Jun 10 18:52:04 2010:
cnt clk user sys cuser csys template
1 0.0002 0 0 0 0 footer.inc CACHED
1 0.0010 0 0 0 0 header.inc
1 0.0005 0 0 0 0 header_screen.inc CACHED
1 0.0015 0 0 0 0 index.html
1 0.0002 0 0 0 0 index_body.inc CACHED
1 0.0003 0 0 0 0 index_promo_bar.inc CACHED
1 0.0004 0 0 0 0 print/zones.inc CACHED
-- end

11. Âðóáàåì êýøèðîâàíèå...
[debug] Rendering template index.html
[info] Request took 0.029016s (34.464/s)
.-------------------------------------+-----------.
| Action | Time |
+-------------------------------------+-----------+
| - /_DISPATCH | 0.014121s |
| - /_BEGIN | 0.002807s |
| /begin | 0.002152s |
| - /_AUTO | 0.000860s |
| /auto | 0.000276s |
| - /_ACTION | 0.000884s |
| /index | 0.000370s |
| - /_END | 0.007854s |
| /end | 0.007279s |
| - FrontOffice::View::TT-process| 0.006267s |
'-------------------------------------+-----------'

12. Ðåçóëüòàò...
Server Hostname: www1.reg.ru
Server Port: 80
Document Path: /
Document Length: 121176 bytes
Concurrency Level: 1
Time taken for tests: 9.524 seconds
Total transferred: 36445800 bytes
HTML transferred: 36352800 bytes
Requests per second: 31.50 [#/sec] (mean)
Time per request: 31.746 [ms] (mean)
Transfer rate: 3737.15 [Kbytes/sec] received

13. Ðåçóëüòàò...
Óìåíüøèëè îáùåå âðåìÿ îáðàáîòêè çàïðîñà â 4.9
ðàçà;
Óñêîðèëè îáðàáîòêó øàáëîíà â 20 ðàç;

14. Ñïàñèáî!
Ìîäóëü Template::Context::Cacheable ëåæèò òóò
https://svn.reg.ru/oss/Template-Context-Cacheable/